Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 133, NWS Indianapolis, IN

July 1, 2012Randolph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 1, 2012, 4:37 PM EDT for Randolph County, Indiana. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 1, 2012, 4:37 PM EDT (20:37 UTC)
Expired: Jul 1, 2012, 5:15 PM EDT
In force: 38 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Randolph County, IN

The radar

The Cincinnati radar (KILN), 121 km from the middle of the area, began a volume at 20:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 1, 1:16 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.6 hours before the alert went out and 122 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2142 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1001 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

801 
WUUS53 KIND 012037
SVRIND
INC135-012115-
/O.NEW.KIND.SV.W.0133.120701T2037Z-120701T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
437 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RANDOLPH COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 515 PM EDT

* AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR WINCHESTER...OR 20 MILES
  NORTH OF CENTERVILLE...AND MOVING EAST AT 30 MPH. PENNY SIZE HAIL
  MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...
  LYNN...
  SARATOGA...
  SALEM...
  UNION CITY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4000 8482 4000 8491 4000 8511 4020 8514
      4031 8487 4032 8481 4031 8480 4001 8481
TIME...MOT...LOC 2037Z 263DEG 27KT 4011 8500
WIND...HAIL 60MPH 0.75IN

$$

TDUD

2 follow-up statements

462 
WWUS53 KIND 012058
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
458 PM EDT SUN JUL 1 2012

INC135-012115-
/O.CON.KIND.SV.W.0133.000000T0000Z-120701T2115Z/
RANDOLPH-
458 PM EDT SUN JUL 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
RANDOLPH COUNTY UNTIL 515 PM EDT...

AT 453 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF UNION CITY...OR
20 MILES NORTH OF RICHMOND...MOVING EAST AT 30 MPH. PENNY SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4000 8482 4000 8491 4002 8494 4024 8493
      4031 8487 4032 8481 4031 8480 4001 8481
TIME...MOT...LOC 2058Z 263DEG 27KT 4013 8480
WIND...HAIL 60MPH 0.75IN

$$

TDUD

209 
WWUS53 KIND 012108
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
508 PM EDT SUN JUL 1 2012

INC135-012118-
/O.EXP.KIND.SV.W.0133.000000T0000Z-120701T2115Z/
RANDOLPH-
508 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN RANDOLPH COUNTY WILL
EXPIRE AT 515 PM EDT/415 PM CDT/...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM EDT.

LAT...LON 4000 8482 4000 8491 4002 8494 4024 8493
      4031 8487 4032 8481 4031 8480 4001 8481
TIME...MOT...LOC 2108Z 263DEG 27KT 4014 8470

$$

TDUD

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 3:01 AM EDT	Special Weather Statement	IND	Owen	29 min
Jul 1, 3:25 AM EDT	Special Weather Statement	IND	Monroe	35 min
Jul 1, 4:27 AM EDT	Excessive Heat Watch	IND	Daviess, Greene, Knox, Lawrence, Martin, Sullivan	11 hr
Jul 1, 5:00 AM EDT	Special Weather Statement	IND	Johnson, Morgan	30 min
Jul 1, 7:02 AM EDT	Special Weather Statement	IND	Jennings	28 min
Jul 1, 1:20 PM EDT	Special Weather Statement	IND	Carroll	40 min
Jul 1, 1:33 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Tippecanoe	57 min
Jul 1, 2:56 PM EDT	Severe Thunderstorm Warning	IND	Tipton	22 min
Jul 1, 3:17 PM EDT	Heat Advisory	IND	Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 9 more	29 hr
Jul 1, 5:22 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Jennings	38 min
Jul 1, 5:56 PM EDT	Severe Thunderstorm Warning	IND	Knox	49 min
Jul 1, 6:04 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Jennings	41 min
Jul 1, 6:43 PM EDT	Severe Thunderstorm Warning	IND	Knox	47 min
Jul 1, 7:13 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	47 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.